KR20090097860A - Final adjustment mechanism with tactile feedback - Google Patents

Abstract

Adjustment system (102) for positioning a cutting insert (104) on a cutting tool (106) has a rotatable first rod (110) with a surface (114) having a plurality of flatted areas (116) arranged radially, each at a different radial distance from an axial center of the first rod (110) relative to a sequentially adjacent flatted area, a translatable second rod (120) with an axially tapered surface (128), wherein a face (126) of the first end (124) of the second rod (120) contacts one of the plurality of flatted areas (116), a biasing element (130) positioned to exert a force to bias the face (126) of the first end (124) of the second rod (120) to contact the flatted area (116), and a translatable push pin (140), wherein a face (144) of the first end (146) of the push pin (140) contacts the tapered surface (128) and wherein a face (148) of the second end (150) of the push pin (140) operatively contacts a cartridge (160) mounted on the cutting tool (106) and in which the cutting insert (104) is seated.

Description

FINAL ADJUSTMENT MECHANISM WITH TACTILE FEEDBACK}

The present invention relates generally to the adjustment of tooling. In particular, the present invention relates to the adjustment, for example fine tuning of indexable inserts for multiple cartridge and / or insert tools, such as tools, ie boring, milling and turning tools.

In the description of the background that follows, reference is made to specific structures and / or methods. However, the following description should not be construed as an admission that such structures and / or methods constitute prior art.

Processing tools, such as multiple cartridges and / or insert tools for boring, milling and turning, generally have multiple cartridges each mounted on a tool body, such as for example a mounting screw. Alignment of the inserts is important for obtaining proper machining with these tools, which generally requires simultaneous positioning of multiple inserts of the same tool body. Therefore, the inserts typically must adjust the cartridge position itself in the direction and radial direction as well as the adjustment relative to the seating position on the cartridge. Cartridge positioning also adjusts the position of the seated insert.

An example of a typical final adjustment of indexable inserts is that a boring tool, for example, has a tapered base pin, known as a kam screw, for driving the pressure pin 20 and deflecting a member of the tool, usually the cartridge 30. 10) Or use eccentric adjustment. The cartridge 30 is seated in the cavity 40 and positioned with the aid of the key 50 or other positioning device. The final boring diameter is set by rotating the set screw 60 screwed into the cartridge 30 and contacting the pressing pin 20 to generate a preload by deformation of the cartridge 30. do. The tapered pin 10 is seated in the base hole 70 by the threaded end 80 and has an adjustment surface 90 under the pressing pin 20. Wear adjustment of the insert is achieved by rotating the tapered pin 10 to change the position of the pressing pin 20 toward or away from the cartridge 30. The final adjustment is made by aligning the marks on the tapered pin 10 with the marks marked on the body of the tool. The tapered pin 10 is generally located directly below the cutting point, which is difficult to manufacture and precisely positions all features of the instrument.

An adjustment system for positioning the cutting insert on the cutting tool is described. In the disclosed adjustment system, the input motion produces, for example, net translation of the cutting surface, which is less than the input motion. In an exemplary embodiment, a final adjustment of about 5-20% (± 10%) of the input motion, about 10% (± 10%) as a variant is obtained. In addition, physical and / or acoustic feedback to the user occurs during the input movement. An exemplary embodiment of the adjustment system is rotatable with a surface having a plurality of flat areas arranged radially, each flat area being located at a different radial distance from the axis center of the first rod relative to the adjacent flat area in sequence. A second movable rod, the first end of the second rod having a first rod and an axially tapered surface, wherein one side of the first end of the second rod contacts one of the plurality of flat regions An elastic element positioned to squeeze the face to exert a force to contact the flat area, and the face of the first end of the pressure pin contacts the tapered surface and the face of the second end of the pressure pin is mounted on the cutting tool; The cutting insert has a movable pin which is movable in contact with the seated cartridge. A tool incorporating an adjustment system, a method of radially positioning the cutting surface of the cutting insert on the cutting tool, and a method of adjusting the radial position of the cutting surface of the cutting insert on the cutting tool are also described.

An exemplary adjustment system for positioning a cutting insert on a cutting tool includes a surface having a plurality of flat areas rotatably about a first axis directed in a first direction and having a plurality of flat areas arranged radially in the first axis A rotatable first rod, each of the flat regions sequentially positioned at a different radial distance from the center of the axis of the first rod relative to the adjacent flat region, and parallel to the second axis oriented in the second direction, The first rod has a surface in contact with one of the plurality of flat regions and one surface of the second rod is pushed in contact with the flat region by pushing the surface of the first rod of the second rod, the second rod tapered in the axial direction. An elastic element positioned to exert a force and a first end face of the pressing pin which is movable in parallel along a third axis oriented in a third direction, in contact with the tapered surface of the second rod It is moist and has a pressing pin which is mounted on the cutting tool with the second end face of the pressing pin and in operative contact with the cartridge on which the cutting insert is seated.

An exemplary cutting tool is a cartridge for one or more cutting inserts mountable in a slot of a tool body having a tool body and a cutting surface of one or more cutting inserts protruding beyond the volume of the tool body, for radially positioning the cutting insert. Includes coordination system The adjustment system comprises a first rod, a second rod, an elastic element and a pressing pin, the first rod being rotatable in a first channel about the first axis while being positioned in the first channel of the tool body, One axis is oriented in a first direction, and the first rod includes a surface having a plurality of flat areas radially arranged on the first axis, each of the plurality of flat areas having a first relative to a sequentially adjacent flat area. Located at different radial distances from the axial center of the rod; The second rod is located in a second channel of the tool body, the first end of the second channel at least partially intersects the first channel, and the second rod is along the second axis directed in the second direction. In which the first rod of the second rod has a surface in contact with one of the plurality of flat regions, the surface of the second rod is tapered in the axial direction; The resilient element is located inside the tool body and exerts a force pushing one side of the first end of the second rod to contact one of the plurality of flat areas, while the pressing pin is located in the third channel of the tool body. The first end of the third channel at least partially intersects the second channel, the second end of the third channel at least partially intersects the slot, and the pressing pin is along a third axis directed in the third direction. Parallel to the third channel is movable, one side of the first end of the pressure pin is in contact with the tapered surface of the second rod, and one side of the second end of the pressure pin is in operative contact with the mounted cartridge. .

An exemplary method of radially positioning the cutting surface of a cutting insert on a cutting tool includes adjusting an adjustment system for the cutting insert, the adjustment system comprising: first rods, second rods, elastic elements and pressing pins; Wherein the first rod is rotatable about a first axis oriented in a first direction, and the first rod comprises a surface having a plurality of flat areas radially arranged on the first axis, the plurality of flat Each of the regions is located at a different radial distance from the axial center of the first rod relative to the sequentially adjacent flat region; The second rod is movable in parallel along a second axis directed in a second direction, the first end of the second rod having one surface in contact with one of the plurality of flat regions, the surface of the second rod being axially Tapered to; The resilient element is positioned to contact one of the plurality of flat regions by applying a force pushing one side of the first end of the second rod; The pressing pin is movable in parallel along a third axis oriented in the third direction, and one side of the second end of the pressing pin is mounted on the cutting tool and operatively contacts the cartridge in which the cutting insert is seated. The adjusting step of changes the flat surface in contact with the surface at the first tip of the second rod.

An exemplary method of radially adjusting the cutting surface of a cutting insert on a cutting tool comprises positioning one of a plurality of flat regions radially arranged in a first axis in contact with one surface at a first end of a second rod. Activating the first rod to cause the first rod to be rotatable about a first axis directed in a first direction; The second rod is movable in parallel along a second axis directed in a second direction, the surface of the second rod being tapered in the axial direction; The exemplary method also includes the step of paralleling the second rod in a second direction to change a portion of the tapered surface in contact with one side of the pressure pin and pressing along a third axis directed in the third direction. The pin is moved in parallel, and one side of the second end of the pressure pin is mounted on the cutting tool to be in operative contact with the cartridge on which the cutting insert is seated.

The foregoing general description and the following detailed description are intended to provide further explanation of the invention as described in the claims.

DETAILED DESCRIPTION The following detailed description may be understood with reference to the accompanying drawings, wherein like reference numerals refer to like elements.

1 shows a conventional configuration for an eccentric adjustment system of the prior art.

2 is a three-dimensional view showing an embodiment of an adjusting system for positioning a cutting insert on a cutting tool.

3 is a stepped side cross-sectional view associated with a surface having a plurality of flat regions.

4 is a top longitudinal cross-sectional view illustrating an embodiment of an adjustment system for positioning a cutting insert on a cutting tool.

5 is a side cross-sectional view illustrating an embodiment of an adjustment system for positioning a cutting insert on a cutting tool.

6 is an enlarged view of FIG. 5 showing an embodiment of an adjustment system for positioning a cutting insert on a cutting tool.

7 is a radial cross-sectional view illustrating an embodiment of the adjustment system.

The adjustment system for positioning the cutting insert on the cutting tool comprises a first rotatable rod, a second movable rod, an elastic element and a movable pin which can move in parallel with each other, the first rod being sequentially flat adjacent to each other. A surface having a plurality of flat regions arranged radially with different radial distances from the axial center of the first rod relative to the region; The second rod is axially tapered so that one side of the first tip of the second rod contacts one of the plurality of flat regions; The elastic element is positioned in contact with the plurality of flat areas by applying a force pushing one side of the first end of the second rod; The pressure pin is in operative contact with the cartridge on which the cutting insert is seated while one side of the first end of the pressure pin contacts the tapered surface and one side of the second end of the pressure pin is mounted on the cutting tool. A tool incorporating an adjustment system, a method of radially positioning the cutting surface of the cutting insert on the cutting tool, and a method of adjusting the radial position of the cutting surface of the cutting insert on the cutting tool are also disclosed.

2 is a three-dimensional view showing an embodiment 100 of an adjustment system 102 for positioning a cutting insert 104 on a cutting tool 106. In FIG. 2, the adjustment system 102 is shown positioned within the cutting tool 106, and is projected to show the internal configuration of the adjustment system 102.

The adjustment system 102 includes a first rod 110, a second rod 120, an elastic element 130, and a pressing pin 140. Other features shown in FIG. 2 include cartridge 160 and stop rod 170 on which cutting insert 104 is seated.

The first rod 110 is rotatable about a first axis 112 oriented in the first direction. The first rod 110 includes a surface 114 having a plurality of flat regions 116 arranged radially on the first axis 112. Each of the plurality of flat regions 116 is located at a different radial distance from the axial center of the first rod 110 with respect to the adjacent flat regions sequentially.

The second rod 120 is movable in parallel along the second axis 122 directed in the second direction. The first tip 124 of the second rod 120 has a surface 126 in contact with one of the plurality of flat regions 116. Face 126 may be formed of a material that is selectively cured to provide wear resistance to face 126. An example of a cured material is carburized carbide, which may be incorporated into the second rod 120 as an interposed surface or a bonded surface, such as for example soldering. The surface 128 of the second rod 120 is tapered in the axial direction. That is, the surface 128 or at least part of the second rod 120 is angled with respect to the second axis 122. Generally, the second axis is perpendicular to or substantially perpendicular (± 10 degrees) to the first axis 112, although other locations may be used. In operation, as the first rod 110 rotates to contact the other flat region 116 with the face 126 of the second rod 120, the second rod 120 moves the second shaft 122. Along the corresponding distance.

The elastic element 130 is positioned to apply a force to contact one of the plurality of flat regions 116 by biasing the face 126 of the first tip 124 of the second rod 120. Examples of elastic elements include mechanical systems such as springs, dashpots, elastic materials, and non-mechanical systems such as compressive fluids and compressible gases. Pushing can be done by any other desired technique. For example, a mechanical element such as the spring shown in FIG. 2 can be used. In an embodiment, the resilient element is preloaded to force pushing the surface of the first tip of the second rod into contact with one of the plurality of flat regions 116.

The pressing pin 140 is parallel (III) movable along the third axis 142 oriented in the third direction. The surface 144 of the first tip 146 of the pressing pin 140 is in contact with the tapered surface 128 of the second rod 120. In addition, the surface 148 of the second tip 150 of the pressing pin 140 is operatively in contact with the cartridge 160 on which the cutting insert 104 is seated while being mounted on the cutting tool 106.

When the adjustment system is included in the cutting tool, additional elements are optionally included in the adjustment system 100. For example, one or more cartridges for cutting inserts, such as cartridge 160, may be mounted in slot 162 of the tool body. The cartridge is mounted on the cutting surface of the cutting insert which projects beyond the volume of the tool body with one or more cutting inserts mounted thereon. The cartridge is mounted by other suitable means, such as the capscrew 164 shown in FIG. 2, the cartridge also includes an axial positioning device such as the position screw 166, and the position screw 166 is a slot. 162 may be adjusted to change the axial position of the cartridge.

The cartridge may be mounted to achieve the desired degree of curvature of the cartridge under operation of the adjustment system. For example, in some embodiments, the cartridge includes flexure slot 168. Flex slot 168 is located on the surface of the cartridge facing the surface of slot 162. When the bend slot separates the mounting mechanism, such as the capscrew, from the contact point of the adjustment system such that the second end of the pressure pin is in operative contact with the cartridge, the insert and the cartridge bend radially more easily at the tip of the insert. do.

The position of the insert relative to the flex slot and the contact points of the mounting mechanism and the adjustment system provides additional variables that can be adjusted by the tool designer to affect the adjustability of the insert. For example, if the insert is positioned axially between the axial position of the capscrew and the axial position of the pressure pin, the insert will translate a radial distance less than the paralleled distance of the pressure pin. Such translation can be determined and considered. As an example, the axial position of the insert located at a predetermined distance from the axial position of the capscrew is 75% of the distance away from the axial position of the capscrew relative to the axial position of the pressing pin.

In addition, the restoring force of the cartridge resulting from the bending provides an additional resilient force that forces the second pin into contact with the flat areas by applying a reverse force to the tapered surface through the pressure pin. This reverse force also provides increased tactile feedback to the user who rotates the first rod.

As described above, each of the plurality of flat regions 116 is located at a different radial distance from the center of the axis of the first rod 110 with respect to the sequentially adjacent flat regions. For example and illustrative purposes, if the surface side cross-section of the surface having a plurality of flat regions 116 extends linearly against the circumferential arrangement with respect to the first rod, then the stepped shape as shown in FIG. A height profile (200) is shown. In Fig. 3, the stepped altitude cross section 200 comprises sequential flat areas 202, 202 ', and 202 ", each representing a desired altitude (height) difference, such as a change in radial dimension. An example of a difference is 2 to 10 inches (about 50-250 μm), alternatively 2 to 4 inches (about 50-100 μm), in a variant, sequentially flat as the circumferential or linear position changes. In the case where the height of the area generally increases or decreases, a rotation, such as counterclockwise rotation of the first rod 110 toward 0 °, causes a flat area of the reduced height 204 of the increased height 206. Located next to the flat area, the difference in radial dimension is greater than the general change in radial dimension between sequential flat areas 202, 202 ', 202 ". In such a case, the difference in radial dimension 208 forms a stop for the rotatable first rod. In some embodiments, this stop is correlated with the zero adjustment of the adjustment system and can be used as a reference for the adjustment. Although FIG. 3 shows that each of the plurality of sequential flat regions has a different radial dimension for sequentially adjacent flat regions, and the increase / decrease in the radial dimension is a function of the circumferential position, the stepped pyramid It will be appreciated that other configurations may be used, such as alternately increasing / decreasing radial dimensions, and iterative order of change in radial dimensions.

The flat regions can extend in the axial full length of the first rod or in the axial portion thereof. In the first rod 110 shown in FIG. 2, the plurality of flat regions 116 extend beyond the axial central region with portions of the larger radial dimension 118 on either side, for example a larger radius. The portions of the directional dimension separate flat regions or define flat regions from respective ends of the first rod. However, the plurality of flat regions may be located at any portion of the first rod and are not limited to the central portion or limited by portions of larger radial dimension. Further, the radially arranged portions are each located at successive radial positions along the axial length of each flat surface, at least in the region in contact with the second rod.

4 is a top longitudinal cross-sectional view illustrating an embodiment of an adjustment system 300 for positioning a cutting insert on a cutting tool. In the embodiment shown in FIG. 4, the plurality of flat regions 302 are defined on each side by some of the larger radial dimensions 304, 306. For example, the pushing of the second rod 308 by the elastic element 310 causes one side 312 of the first tip 314 of the second rod 308 to contact the flat area 302. . In addition, because of the radial dimension difference between the flat areas 302 and the portions on each side 304, 306, the second rod helps the first rod 316 to be secured in its channel 318. .

In addition, the transition regions between the tips 320, 322 of the first rod 316 and the radial dimensions of the flat regions 302 and the portions on each side 304, 306 are chamfered or edged. ) Or angled. Cutting the edges facilitates the surfaces of the first rod 316 sliding past the face 312 of the second rod 308 during mounting, removal and / or replacement of the first rod 316. .

One example of a method of replacing the first rod 316 is to axially align the mounted first rod and the replacement first rod, and to replace the first rod with a hand force, a mechanical force, a hammer, or the like. Pressurize Under the pressure applied, the mounted first rod exits one end of the channel. The cut edges on the mounted first rod and the replacement first rod facilitate the sliding of the surfaces of the first rod past the face of the second rod during the replacement operation. As the replacement first rod is in position, it is held by the pressing force acting on the tapered pin at that position. Once properly positioned, the act of pushing the second rod into the flat area secures the replacement first rod in position in the channel.

Other features related to the embodiment of the adjustment system are described in FIG. 4. For example, the tapered surface 330 of the second rod 308 is shown. In another example, a spring-like resilient element 310 is shown coaxially positioned about the second tip 332 of the second rod 308. The first end of the spring is in contact with the stop 334 of the second rod 308, and the second end of the spring is in contact with the stop rod 336. The second tip 332 may be spaced apart from the surface of the stop rod 336, or the second tip 332 of the second rod 308 may contact the surface of the stop rod 336. The separation between the second tip 332 and the surface of the stop rod 306 provides space for the translation of the second rod 308 during operation of the adjustment system. The elastic element 310 contributes to maintaining separation distance by pushing the face 312 of the second rod 308 toward the flat areas 302. The stop rod 336 is optional, although the stop rod contributes to facilitating manufacture and replacement, but may be replaced in any form as long as it provides a surface for the pressing element. In a further example, an interface 338, such as a hexagonal head, may be included in the first rod to rotate the first rod 316.

Channels in the tool body 340 for some components of the adjustment system are also shown in FIG. 4. The channel 318 of the first rod 316 is arranged generally perpendicular (± 10 °) to the channel 342 for the second rod 308. The channel 344 for the stop rod 336 is arranged generally perpendicular (± 10 °) to the channel 342 for the second rod 308. The channel 342 for the second rod 308 includes at least a first tip that at least partially intersects the channel 318 for the first rod 316 and at least a channel 344 for the stop rod 336. It has a second tip that partially intersects. Various fabrication techniques can be used to form the channels. As an example and for convenience of manufacture and assembly, the channel 342 for the second rod 308 is formed by drilling into the axial length of the tool body 340, and allows the movement of the components of the adjustment system. Appropriate finishing may be allowed to allow. Other channels can be drilled or reamed. In the case of the first rod 316, operation with the second rod 308 allows to maintain the position of the first rod within the tool body. In the case of the stop rod 336, the stop rod may be a press fit or a nerling pin.

The channels are located distributed in the tool body. For example, the channel for the first rod is axially offset from the position of the cartridge and the slot. This results in less bending of the tool, stronger cross sections, less cracking of the tool body and an increase in overall tool life. This is at least partly due to the fact that several channels and slots are not located in the same cross section. In addition, the channels may be circular, or generally circular in cross section, thus reducing stresses resulting from angled contours. Furthermore, the channels can be positioned close enough to the neutral axis of bending of the cutting tool in order to maximize resistance to bending. For example, the channel of the second rod is located at the position of neutral compressive or tensile stress. Likewise, cross-sectional channels, such as the channels for the first rod, the stop rod and the pressing pin, are located in the position of the neutral compressive or tensile stress generated by the cutting force.

5 is a side cross-sectional view illustrating an embodiment of an adjustment system for positioning a cutting insert on a cutting tool. In general, FIG. 5 shows the arrangement of the adjustment system 400 in the tool body 402 and its relationship to the cartridge 404 and the stop rod 408 for the cutting insert 406. The adjustment system 400 includes a first rod 410 with flat areas 412, a second rod 414, an elastic element 416 and a tapered surface 420 for the second rod 414, and And a pressing pin 418 in operative contact with the cartridge 404. Also shown are the bent slots 422 and the mounting screws 426 for the mounting screws 424 and the cartridge 404.

FIG. 6 is an enlarged view of FIG. 5 showing an embodiment of an adjustment system 500 for positioning a cutting insert on a cutting tool. In FIG. 6, the tapered surfaces 502 of the second rod 504 and the contact between the tapered surfaces 502 and the pressing pin 506 are more clearly shown. For example, the surface 508 of the first tip 510 of the pressing pin 506 has an angled surface coupled with the tapered surface 502 of the second rod 504. As the second rod 504 moves in parallel T ₁ , the face 508 maintains linear contact with the length extending in the axial direction of the tapered surface 502 of the second rod 504, and pressurized. The pin 506 travels in parallel T ₂ . The second tip 512 of the pressing pin 506 is in operative contact with the cartridge 514 either directly or through an intermediate mediating structure such as the contact pin 516 as shown in FIG. 6.

In FIG. 6, the flat regions 518 of the second rod 504 and the first rod 520 are also clearly shown. For example, the flat regions 518 are rotatable (R ₁ ) so that they come in various contact with the face 522 of the second rod 504, which may be made of cured material 524. The flat regions 518 have different radial dimensions and form stops 526, as described above with reference to FIG. In operation, the rotation R ₁ of the first rod changes the flat area in contact with the face 522 of the second rod and translates the second rod T ₁ ; Parallel movement of the tapered surface causes parallel movement T ₂ of the pressing pin 506 and also causes movement M ₁ of the cartridge 514 and the cutting insert 526. One example of the parallel movement T ₁ of the pressing pin is a change of 2 to 4 microns, and can vary up to a maximum distance of about 80 microns.

7 is a radial cross-sectional view illustrating an embodiment of the adjustment system. In FIG. 7, the contact between the second rod 602 and the pressing pin 604 is shown. In the radial section of the cutting tool the pressing pin 604 is not tapered, but rather rectangular and flat and tangentially contacts 606 with a circumferential 608 extending radially of the tapered surface of the second rod 602. )do. The tangential contact as shown in FIG. 7 allows less precision in the machining of the channels for the pressing pin and the second rod.

As in the above description, the second rod has a tapered surface which translates the distance correlated with the change of the height of the flat area as the first rod is rotated, and the radius of the cutting insert by the parallel movement of the pressing pin. It operates to change the direction position. The tapered surface reduces the amount of adjustment obtained by single-handed operation of the flat area, allowing very fine adjustment of the cutting surface of the cutting insert. As a result of the tapered surface, the amount of change in the radial position of the cutting insert can be calculated and / or adjusted with respect to the amount of rotation of the first rod. For example, the following equation applies:

R = ｘtan ( θ )

Is the height change of the flat regions, and θ is the angle of the tapered surface (see FIG. 6 for description of angle θ).

The position of the insert relative to the capscrew mounting the cartridge and the actuating contact position of the pressure pins on the cartridge provide additional fine tuning of the cutting surfaces rather than manipulating the flat area alone. Adding these considerations to adjustments to the equation above gives the following relation:

R = ｘtan ( θ ) × (ratio ₁ )

)에 대한 세트스크류의 축방향 위치로부터 절삭 인서트의 절삭표면들의 중심의 축방향 위치까지의 거리(도 5에서 거리

)의 비율이다. 따라서:Where is the height change of the flat areas, θ is the angle of the tapered surface, and ratio ₁ is the ratio of the axial distance of the insert from the capscrew to the axial distance of the contact point from the mounting point. That is, the distance from the axial position of the capscrew to the axial position of the center of the pressing pin (the distance in FIG. 5)

Distance from the axial position of the set screw to the axial position of the center of the cutting surfaces of the cutting insert

) Ratio. therefore:

The coordination system adjusts linearly. At some point within the operating range of the system, the fixed rotational motion of the input produces the same final net translation. For example, a rotational movement of X ° has a final net translation of Y μm. In contrast, eccentric systems operate non-linearly.

Examples of the length and working distance of an embodiment include: (a) a pressure pin with a variation of 2 to 6 microns along a third axis and capable of parallel translation to a maximum distance of about 80 microns; (b) height difference or change in radial dimension between sequential flat regions of 1/1000 to 5/1000 inches (about 25-125 μm); And (c) a tapered surface of the second rod at an angle of 5 to 15 degrees, preferably 9-12 degrees, particularly preferably 11 degrees, with respect to the second axis.

The adjustment system described above can be used to radially position the cutting surface of the cutting insert on the cutting tool. For example, an embodiment of a method for radially positioning a cutting surface of a cutting insert on a cutting tool includes adjusting an adjustment system for the cutting insert, wherein the adjustment system comprises a first rod, a second rod, An elastic element and a pressure pin, wherein the first rod is rotatable about a first axis directed in a first direction, and the first rod has a surface having a plurality of flat areas arranged radially on the first axis. Each of the plurality of flat regions is located at a different radial distance from the axial center of the first rod relative to the sequentially adjacent flat regions; The second rod is movable in parallel along a second axis oriented in a second direction, the first end of the second rod having one surface in contact with one of the plurality of flat regions, one surface of the second rod being the shaft Taper in direction; The resilient element is positioned to contact one of the plurality of flat regions by applying a force pushing one side of the first end of the second rod; The pressing pin is movable in parallel along a third axis directed in the third direction, one side of the first end of the pressing pin being in contact with the tapered surface of the second rod and one side of the second end of the pressing pin being cut It is mounted on the tool and in operative contact with the cartridge on which the cutting insert is seated. Adjusting the adjustment system changes the flat surface in contact with the surface at the first tip of the second rod. Adjusting the adjustment system also changes the portion of the tapered surface of the second rod in contact with the pressure pin. As the pressure pins move in parallel, the associated cutting surfaces of the cartridge and the cutting insert mounted thereon move in parallel in the radial direction.

Another exemplary method of radially positioning the cutting surface of a cutting insert on a cutting tool is one of a plurality of flat regions radially arranged in a first axis in contact with one surface at a first end of the second rod. Operating a first rod to position the first rod, wherein the first rod is rotatable about a first axis directed in a first direction; The second rod is movable in parallel along a second axis directed in a second direction, the surface of the second rod being tapered in the axial direction; Another exemplary method also includes moving the second rod in parallel in a second direction to alter a portion of the tapered surface that is in contact with one side of the first tip of the pressure pin. The pressing pin is moved in parallel along a third axis oriented in the third direction, and one side of the second end of the pressing pin is mounted on the cutting tool to be in operative contact with the cartridge on which the cutting insert is seated. Adjusting the adjustment system changes the flat surface in contact with the surface at the first tip of the second rod. Adjusting the adjustment system also changes the portion of the tapered surface of the second rod in contact with the pressure pin. As the pressing pins move in parallel, the associated cutting surface of the cartridge and the fastening insert mounted therein move in parallel in the radial direction.

Another exemplary method of adjusting the radial position of the cutting surface of a cutting insert on a cutting tool is one of a plurality of flat regions radially arranged in a first axis in contact with one surface at a first end of a second rod. Operating a first rod to position the first rod, the first rod being rotatable about a first axis directed in a first direction; The second rod is movable in parallel along a second axis directed in a second direction, the surface of the second rod being tapered in the axial direction; The other exemplary method also includes moving the second rod in parallel in a second direction to change a portion of the tapered surface that contacts one side of the first tip of the pressure pin. As the portion of the tapered surface in contact with one side of the first tip of the pressure pin changes, the pressure pin moves in parallel along a third axis directed in the third direction. One side of the second tip of the pressure pin is mounted on the cutting tool and is in operative contact with the cartridge on which the cutting insert is seated. In some embodiments, paralleling the pressure pin along the third axis flexes the cartridge. In addition, the method selectively pushes the second pin to bring the surface at the first tip into flat regions.

Exemplary embodiments of the adjustment system and the adjustment method described above provide the operator with a feedback indicating the radial positional adjustment of the cutting surface. For example, the feedback may be associated with each change in the flat area. As the flat area in contact with the second rod changes, the pressing force of the adjustment system due to the parallel movement of the elastic element and the pressing pin can be seen by the user through the tactile sense. In addition, the user may know through the hearing to slowly move up or down the surface of the second rod in contact with the changing flat areas. One or both of these feedback mechanisms may be used.

No gauges are needed. Preferably, it is not necessary to read the changed surface in order to determine the adjustment in case of poor lighting, limited access to the machining tool, or the changed surface is dirty. The operator can make very fine adjustments with the usual site tools.

The production process is simplified while producing products more cost-effectively. In addition, wear parts such as a first rod having flat areas can be replaced without disassembling the tool.

Although the present invention has been described in connection with the preferred embodiments, it will be apparent to those skilled in the art that additions, deletions, modifications and substitutions can be made without departing from the spirit and aspects of the invention as defined in the appended claims. Will be clear.

Claims (31)

An adjusting system for positioning a cutting insert on a cutting tool, comprising a first rod, a second rod, an elastic element and a pressing pin, The first rod is rotatable about a first axis directed in a first direction, and the first rod includes a surface having a plurality of flat areas arranged radially on the first axis, each of the plurality of flat areas. Are sequentially located at different radial distances from the axial center of the first rod with respect to adjacent flat regions; The second rod is movable in parallel along a second axis directed in a second direction, the first end of the second rod having one surface in contact with one of the plurality of flat regions, one surface of the second rod being the shaft Taper in direction; The resilient element is positioned to contact one of the plurality of flat regions by applying a force pushing one side of the first end of the second rod; The pressing pin is movable in parallel along a third axis directed in the third direction, one side of the first end of the pressing pin being in contact with the tapered surface of the second rod and one side of the second end of the pressing pin being cut An adjustment system mounted on the tool and in operative contact with the cartridge on which the cutting insert is seated. 2. The adjustment system according to claim 1, wherein the radially arranged flat regions have a stepped arrangement around the circumference of the first rod. 3. The adjustment system of claim 2, wherein the height difference between the reduced height flat area and the increased height of the sequentially adjacent flat area forms a stop for the rotatable first rod. 4. The adjustment system of claim 3, wherein the stops correlate with the zeroing operation for the adjustment system. 2. The adjustment system of claim 1, wherein the face of the first tip of the second rod comprises a carburized carbide surface, the carburized carbide surface contacting one of the plurality of flat regions. 2. The adjustment system according to claim 1, wherein the face of the first tip of the pressing pin has an angled surface that engages with the tapered surface of the second rod. 2. The adjustment system according to claim 1, wherein the surface of the first end of the pressing pin is in line contact with the length extending in the axial direction of the tapered surface of the second rod. 8. The adjustment system according to claim 7, wherein the face of the first tip of the pressing pin is in tangential contact with a circumference extending in the radial direction of the tapered surface of the second rod. 2. The spring of claim 1 wherein the resilient element is a spring, the spring being arranged coaxially about a second end of the second rod such that the first end of the spring contacts the stop on the second rod, Adjusting system, characterized in that the two ends are in contact with the stop rod. A tool body; A cartridge for one or more cutting inserts mountable in a slot of the tool body having the cutting surface of the one or more cutting inserts protruding beyond the volume of the tool body; And An adjustment system for radially positioning the cutting insert,      The adjusting system includes a first rod, a second rod, an elastic element and a pressing pin,     The first rod is located in the first channel of the tool body and is rotatable in the first channel about the first axis, the first axis is oriented in the first direction, and the first rod is radially arranged on the first axis. A surface having a plurality of flat regions, wherein each of the plurality of flat regions is located at a different radial distance from the axial center of the first rod with respect to the adjacent flat region sequentially; The second rod is located in a second channel of the tool body, the first end of the second channel at least partially intersects the first channel, and the second rod is along the second axis directed in the second direction. In which the first end of the second rod has a surface in contact with one of the plurality of flat regions, the surface of the second rod is tapered in the axial direction; The elastic element is positioned inside the tool body and exerts a force pushing one side of the first end of the second rod to contact one of the plurality of flat areas; The pressure pin is located in the third channel of the tool body, the first end of the third channel at least partially intersects the second channel, the second end of the third channel at least partially intersects the slot, and the pressure pin Is movable in a third channel along a third axis directed in a third direction, one side of the first end of the pressing pin contacting the tapered surface of the second rod and one of the second ends of the pressing pin The face is a cutting tool intended for operative contact with a mounted cartridge. The cartridge of claim 10, wherein the cartridge comprises a bent slot on the surface of the cartridge facing the surface of the slot, the cartridge is mounted by capscrews, the capscrew being bent by the bent slots, the face of the second end of the pressure pin. Cutting tool, characterized in that it is separated from the operative contact with the mounted cartridge. 12. The cutting tool according to claim 11, wherein the cutting surface of the at least one cutting insert is located axially between the axial position of the capscrew and the axial position of the pressing pin. 13. The method of claim 12, wherein the radially arranged flat regions have a stepped arrangement around the circumference of the first rod, and the height difference between sequential flat regions increases from 1/1000 to 10/1000 inches and The tapered surface of the second rod has an angle of 5 to 15 degrees with respect to the second axis, and the distance from the axial position of the capscrew to the axial position of the cutting surface is the axial direction of the pressing pin from the axial position of the capscrew. Cutting tool, characterized in that about 75% of the distance to the position. 11. The cutting tool according to claim 10, wherein the radially arranged flat regions have a stepped arrangement around the circumference of the first rod. 11. The cutting tool of claim 10, wherein the height difference between the reduced height flat area and the increased height of the sequentially adjacent flat area forms a stop for the rotatable first rod. 16. The cutting tool of claim 15, wherein the stops correlate with the zeroing of the adjustment system. 11. The cutting tool of claim 10, wherein the face of the first tip of the second rod comprises a carburized carbide surface, the carburized carbide surface contacting one of the plurality of flat regions. The cutting tool according to claim 10, wherein the surface of the first end of the pressing pin has an angled surface that engages with the tapered surface of the second rod. The cutting tool according to claim 10, wherein the surface of the first tip of the pressing pin is in line contact with the length extending in the axial direction of the tapered surface of the second rod. 20. The cutting tool according to claim 19, wherein the surface of the first end of the pressing pin is in tangential contact with the circumferentially extending circumference of the tapered surface of the second rod. 11. The cutting tool of claim 10, comprising a stop rod positioned in a fourth channel of the tool body, wherein the second leading end of the second channel at least partially intersects the fourth channel. 22. The spring of claim 21 wherein the resilient element is a spring, the spring being arranged coaxially about a second end of the second rod such that the first end of the spring contacts the stop on the second rod, A cutting tool, characterized in that the two ends are in contact with the stop rod. A method of radially positioning the cutting surface of a cutting insert on a cutting tool, comprising adjusting an adjusting system for the cutting insert, the adjusting system comprising a first rod, a second rod, an elastic element and a pressing pin, The first rod is rotatable about a first axis directed in a first direction, and the first rod includes a surface having a plurality of flat areas arranged radially on the first axis, each of the plurality of flat areas. Are sequentially located at different radial distances from the axial center of the first rod with respect to adjacent flat regions; The second rod is movable in parallel along a second axis directed in a second direction, the first end of the second rod having one surface in contact with one of the plurality of flat regions, the surface of the second rod being axially Tapered to; The resilient element is positioned to contact one of the plurality of flat regions by applying a force pushing one side of the first end of the second rod; The pressure pin is movable in parallel along a third axis oriented in a third direction, one side of the second end of the pressure pin being mounted on the cutting tool and operatively contacting the cartridge in which the cutting insert is seated; Adjusting the adjustment system to change the flat surface in contact with the surface at the first tip of the second rod. 24. The method of claim 23, wherein adjusting the adjustment system changes the portion of the tapered surface of the second rod in contact with the pressure pin. A method of radially adjusting the cutting surface of a cutting insert on a cutting tool, The first rod is operated to position one of the plurality of radially arranged flat regions on a first axis in contact with one surface at a first end of the second rod, the first rod being directed in the first direction. Rotatable about a first axis, the second rod is movable in parallel along a second axis directed in a second direction, and the surface of the second rod is tapered in the axial direction; Move the second rod in a second direction to change a portion of the tapered surface in contact with one side of the first tip of the pressure pin; Moving the pressing pin in parallel along a third axis directed in a third direction, wherein one side of the second end of the pressing pin is mounted on the cutting tool such that the cutting insert is in operative contact with the cartridge on which the cutting insert is seated. . 26. The method of claim 25, wherein the cartridge is bent by moving the pressure pin along a third axis. 27. The method of claim 25, comprising pushing the second rod to contact the first tip with the flat area. 28. The method of claim 27, wherein the operator is provided with a feedback indicating the radial positioning of the cutting surface. 29. The method of claim 28, wherein the feedback correlates with each change in the flat surfaces. 29. The method of claim 28, wherein the feedback is tactile. 29. The method of claim 28, wherein the feedback is auditory.

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